Definition of fragile X syndrome in English:

fragile X syndrome

Syllabification: frag·ile X syn·drome

noun

Medicine
  • An inherited condition characterized by an X chromosome that is abnormally susceptible to damage, especially by folic acid deficiency. Affected individuals tend to be mentally handicapped.
    More example sentences
    • Such conditions include fragile X syndrome, neurofibromatosis, tuberous sclerosis, Noonan's syndrome and Cornelia de Lange's syndrome.
    • In addition, an increased frequency of occurrence is noted in patients with genetic conditions such as fragile X syndrome and tuberous sclerosis.
    • My siblings are affected by fragile X syndrome, a condition that causes their mental retardation and makes them hypersensitive to sounds and touch.

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